Penrhyn® Slate Quarry

Having begun operation in the 18th century, Penrhyn became the world’s largest slate quarry in the 19th, when it employed more than 2,500 people.


Penrhyn® Quarry in the heart of Snowdonia is one of the largest slate quarries in the World, and has been in commercial production for over seven centuries. 




Sales Office
Penrhyn Quarry
LL57 4YG

+44 (0) 1248 600656